Table 1 Participant characteristics by MeDi group.
From: Diet moderates the effect of resting state functional connectivity on cognitive function
Low MeDi | Moderate MeDi | High MeDi | Sig. (p) | |
---|---|---|---|---|
N | 66 | 67 | 68 | |
Age (years) | 51.11 (16.64) | 56.97 (14.48) | 54.19 (16.43) | 0.106 |
Education (years) | 16.14 (2.33) | 16.40 (2.37) | 15.89 (2.07) | 0.430 |
% Female | 37.9 | 64.2 | 57.4 | 0.007** |
% Non-Hispanic white | 63.6 | 65.7 | 69.1 | 0.946a |
% Non-Hispanic black | 24.2 | 23.9 | 19.1 | – |
% Other race/ethnicity | 12.1 | 10.4 | 11.8 | – |
NART IQ | 116.74 (8.52) | 118.01 (8.40) | 117.08 (7.42) | 0.647 |
Mean cortical thickness | 2.58 (0.12) | 2.53 (0.10) | 2.55 (0.13) | 0.256 |
Total brain volume | 1509.00 (51,458.97) | − 7347.06 (44,941.06) | 6405.33 (53,462.90) | 0.274 |
WMH | 1162.80 (3235.90) | 1128.51 (3359.58) | 997.38 (4129.21) | 0.929 |
DTI FA | 0.443 (0.022) | 0.440 (0.020) | 0.445 (0.022) | 0.405 |
Scrub % | 4.94 (7.68) | 6.86 (11.60) | 5.96 (7.12) | 0.473 |
Overall rsFC | 0.252 (0.044) | 0.247 (0.046) | 0.245 (0.045) | 0.599 |
FLUID | − 0.032 (0.813) | 0.064 (0.868) | 0.085 (0.839) | 0.702 |
MEMORY | 0.034 (0.683) | − 0.033 (0.859) | − 0.011 (0.800) | 0.886 |
VOCAB | 0.231 (0.753) | 0.092 (0.899) | 0.094 (0.796) | 0.533 |
SPEED | 0.034 (0.804) | 0.062 (0.736) | 0.084 (0.787) | 0.935 |